68 lines
2.2 KiB
Markdown
68 lines
2.2 KiB
Markdown
# sudaku
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## about
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[<img src="https://f-droid.org/badge/get-it-on.png"
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alt="Get it on F-Droid"
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height="80">](https://f-droid.org/packages/com.gitea.theoden8.sudaku/)
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One of the most mechanical things about solving sudoku puzzles is manually choosing the values that are immediately implied as a consequence of risking/setting a cell. This app aims to alleviate this problem, by providing user with a language in which they can express a system of rules, from which autocompletions should be derived.
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The system consists of a variety of constraints, such as alldifferent, one-of, and plain value elimination, which can be specified individually.
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## why not use a solver
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This program isn't designed to solve puzzles for you. It isn't designed to ask for your help to solve anything either. It doesn't perform brute-force for you or impose any serious arc consistency. You are still in control of your own logic and victim of your own mistakes.
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## tools
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* [flutter](https://flutter.dev/)
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This is my first mobile application project, and I am being cautious about the language and features.
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## building
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* **Android** (apk)
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```bash
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flutter build apk --release --split-per-api
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```
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* **MacOS** (app)
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```bash
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flutter create --platforms=windows,macos,linux .
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flutter build macos --release
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# find . -name "*.app"
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```
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* **Linux** (appimage)
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```bash
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# requires appimagetool, appimage-builder
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flutter create --platforms=windows,macos,linux .
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flutter build linux --release
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appimage-builder --skip-test
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```
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## contributing
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Feel free to request a feature, post a bug, or make a pr. But keep in mind that this is an early stage of development.
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## references
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* http://magictour.free.fr/topn87 - hardest 87 9x9 puzzles
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* http://magictour.free.fr/top1465 - hardest 1465 9x9 puzzles
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* http://magictour.free.fr/top44 - hardest 44 16x16 puzzles
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* http://pi.math.cornell.edu/~mec/Summer2009/Mahmood/Symmetry.html
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## tipping
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[<img src="https://www.getmonero.org/press-kit/symbols/monero-symbol-480.png" alt="xmr" height="20" width="20">](https://getmonero.org) XMR: 86tFFhT6hdUQAzcc2Za7i8ZggwQusf1ssgUNby2ApEvJDBodye8CQdJgXLaNMnun5YHm8im8MhnoK91XPWb99YdvDnfiYGZ
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